<template>
  <div class="wrapper" ref="wrapper">
    <div class="content">
      <slot></slot>
    </div>
  </div>
</template>
<script>
import BScroll from 'better-scroll'
export default {
  data: () => ({
    scroll: null
  }),
  props: {
    probeType: {
      type: Number,
      default: 0
    },
    pullUpLoad: {
      type: Boolean,
      default: false
    }
  },
  methods: {
    scrollTo(x, y, time = 300) {
      this.scroll.scrollTo(x, y, time)
    },
    finishPullUp() {
      this.scroll.finishPullUp()
    }
  },
  mounted() {
    // 1.创建BScoll对象
    this.scroll = new BScroll(this.$refs.wrapper, {
      click: true,
      observeDOM: true,
      probeType: this.probeType,
      pullUpLoad: this.pullUpLoad
    })

    // 2.监听滚动的位置
    this.scroll.on('scroll', (position) => {
      this.$emit('scroll', position)
    })

    // 3.监听上拉事件
    this.scroll.on('pullingUp', () => {
      this.$emit('pullingUp')
    })
  }
}
</script>
<style scoped>
</style>